Exercise device



FIG. 1 is a top right perspective view of the exercise device of this invention;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a right side elevational view, the left side elevational view being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a rear perspective view thereof. 

The ornamental design for a exercise device, as shown and described. 